Question

1. In the function f(x) = 2x +3, what does the x represent?2. In the function f(x) = 2x + 3, what does the f(x) represent?

Answer 1

`\begin{gathered} h(t)=2t-5 \\ a\mathrm{}h(-4) \\ h(-4)=2(-4)-5=-8-5=-13 \\ b\mathrm{}h(t)=23 \\ 23=2t-5 \\ 28=2t \\ t=14 \\ c\mathrm{}h(13) \\ h(13)=2(13)-5=21 \end{gathered}`
`\begin{gathered} h(t)=-33 \\ -33=2t-5 \\ -28=2t \\ t=-14 \end{gathered}`

a. h(-4) = -13

b. h(t) = 23 , t = 14

c. h(13) = 21

d. h(t) = -33 , t = -14